CClinicalTrials.gg
TerminatedNCT02577445TREAT-CSAUpdated Apr 6, 2017Results posted

The remedē® System for the Treatment of Central Sleep Apnea in Daily Practice

An observational study in Sleep Apnea and Central Sleep Disordered Breathing, sponsored by LivaNova. Terminated at 10 sites in 2 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2017-04-06.

Sponsored by LivaNova · Observational

Why this study was terminated
Commercial distribution of the remedē System stopped by LivaNova.
Study type
Observational
Model
Cohort
Time perspective
Other
Enrollment
31
Ages
18 Years and older
Sex
All
01

Study summary

The aim of this post market study is to assess the impact of sleep-disordered breathing on the well-being of patients according to the treatment chosen, i.e. with or without implantation of the remedē® system to treat sleep-disordered breathing.

Read the detailed description

The sponsor of this study, LivaNova, has a partnership with Respicardia, Inc who has developed a battery-powered implantable device that treats central sleep apnea. The device is used with a lead that delivers the stimulation therapy which causes the patient to breathe with a regular rhythm and an optional lead that senses breathing. This combination is called the remedē® system.

The aim of this study is

  1. to collect data in order to get a better understanding of the characteristics and/or symptoms related to central sleep apnea
  2. to collect safety information of all patients diagnosed with central sleep apnea
  3. to obtain additional short and lang term information on the safety and performance of the remedē® system, including an evaluation if there's an impact on the quality of life of patients treated with the the remedē® system in daily practice.

The information obtained from this study may provide better insight on the symptoms related to central sleep apnea, risk factors related to central sleep apnea therapy and use of the remedē® system which may help to treat other patients with potential sleep disordered breathing more appropriately.

Approximately 300 patients (to be) implanted with the remedē® system will participate in this study at approximately 40 sites in Europe. For this purpose the investigators aim to screen approximately 1500 patients with sleep-disordered breathing. Also patients diagnosed with central sleep apnea, but not receiving the device will be followed through phone calls for 2 years.

02

Conditions studied

  • Sleep Apnea
  • Central Sleep Disordered Breathing
03

In context

Apnea

1,423 studies on the registry are indexed under Apnea; 160 are open to participants now.

This study's enrollment of 31 is below the median of 106 across 386 observational studies indexed under Apnea.

Browse Apnea studies →

Lead sponsor

LivaNova is the lead sponsor of 39 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Patients with central sleep apnea

Eligibility criteria

Inclusion Criteria:

  • All patients screened for sleep disordered breathing
  • Age > 18 years
  • Signed Ethics Committee approved informed consent

Implant Inclusion criteria

  • Diagnosis of moderate to severe central sleep apnea and referred for implant of the remedē system / implanted with remedē system

Implant Exclusion Criteria:

  • Patients meeting the criteria as referred to in the latest version of the implant manual
05

Study design

Observational model
Cohort
Time perspective
Other
Enrollment
31 participants (actual)
Patient registry
No

Groups and cohorts

  • CSA patients without remedē system

    For all patients diagnosed with CSA who will not move forward with remedē® system therapy, the intention is to obtain information on their alternate therapy, if any, and safety information, including all cause mortality and all cause hospitalizations during phone calls at 6, 12 and 24 months after enrollment.

  • CSA patients with remedē system

    For all patients diagnosed with CSA and referred for implant / or have already been implanted with remedē system, information from the implant procedure will be collected. Patients will be asked to complete quality of life questionnaires at baseline and during follow-up visits. Patients will be evaluated at the time of therapy activation which may be followed by one or more titration visits. Patient follow-ups will be programmed at 6 and 12 months, and yearly, up to 5 years post-implant, until the last patients reach their 2-year follow-up. Echocardiogram for patients with reduced ejection fraction (≤ 45%) and follow-up respiratory polygraphy are considered standard of care, however, to ensure sufficient data, related to the study objectives, are being collected, baseline and 12-months echocardiogram for a subgroup of patients and respiratory polygraphy at 12-month follow-up for all patients must be done when participating in this study:

06

What researchers measure

Primary outcomes

  1. Incidence of All Cause Mortality, SAEs, Stimulation Complaints, Device and/or Cardiovascular Related Events From Implant up to 5 Years.

    Collect short and long term clinical data on safety of the remede system implanted in daily practice. This outcome measure was intended to be collected up to 5 years, but at time of early study termination the data were only monitored until 24 months for 1 patient.

    Time frame: From implant up to 5 years (collected until 24 month FU)

Secondary outcomes

  1. Change in Apnea-hypopnea Index as Assessed by Polygraphy Compared to Baseline

    Evaluate changes in sleep study results at 12 months compared to baseline

    Time frame: 12 months post-implant

  2. Impact on Quality of Life Compared to Baseline

    Evaluate impact on Quality of Life by using a general questionnaire, a sleep-specific questionnaire and a questionnaire specific for heart failure patients

    Time frame: Up to 5 years post-implant

  3. Change in Reverse Remodelling Response as Assessed by Echo Compared to Baseline

    Evaluate reverse remodeling response in patients with reduced ejection fraction at baseline

    Time frame: 12 months post implant

  4. Incidence of All Cause Mortality and Hospitalizations up to 2 Years After Diagnosis of Central Sleep Apnea

    Collect site reported safety data on all patients diagnosed with central sleep apnea and not treated with the remede system

    Time frame: Up to 2 years (collected until 6M FU)

Other outcomes

  1. Collect Clinical Characteristics and Symptoms of Patients With Central Sleep Apnea

    Characterstics and symptoms of patients screened for sleep disordered breathing were not collected and analyzed.

    Time frame: screening

07

Results

Posted Apr 6, 2017
Limitations and caveats
Due to the early study termination, the amount of collected data was inconclusive at the time of early study termination to draw any conclusion on the study objectives.

Participant flow

Participant flow — Overall Study
MilestoneCSA Patients NOT Implanted With remedē SystemCSA Patients With remedē System
Started1417
Completed00
Not completed1417

Outcome measures

PrimaryIncidence of All Cause Mortality, SAEs, Stimulation Complaints, Device and/or Cardiovascular Related Events From Implant up to 5 Years.

Collect short and long term clinical data on safety of the remede system implanted in daily practice. This outcome measure was intended to be collected up to 5 years, but at time of early study termination the data were only monitored until 24 months for 1 patient.

Time frame:
From implant up to 5 years (collected until 24 month FU)
Reported as:
Count of participants · Participants
Incidence of All Cause Mortality, SAEs, Stimulation Complaints, Device and/or Cardiovascular Related Events From Implant up to 5 Years.
ParticipantsCSA Patients With remedē System
Serious Adverse Events6
Deaths0
Serious Adverse Device Effects3
Stimulation complaints1
Cardiovascular events6
SecondaryChange in Apnea-hypopnea Index as Assessed by Polygraphy Compared to Baseline

Evaluate changes in sleep study results at 12 months compared to baseline

Time frame:
12 months post-implant

No measurements were reported for this outcome.

SecondaryImpact on Quality of Life Compared to Baseline

Evaluate impact on Quality of Life by using a general questionnaire, a sleep-specific questionnaire and a questionnaire specific for heart failure patients

Time frame:
Up to 5 years post-implant

No measurements were reported for this outcome.

SecondaryChange in Reverse Remodelling Response as Assessed by Echo Compared to Baseline

Evaluate reverse remodeling response in patients with reduced ejection fraction at baseline

Time frame:
12 months post implant

No measurements were reported for this outcome.

SecondaryIncidence of All Cause Mortality and Hospitalizations up to 2 Years After Diagnosis of Central Sleep Apnea

Collect site reported safety data on all patients diagnosed with central sleep apnea and not treated with the remede system

Time frame:
Up to 2 years (collected until 6M FU)
Reported as:
Count of participants · Participants
Incidence of All Cause Mortality and Hospitalizations up to 2 Years After Diagnosis of Central Sleep Apnea
ParticipantsCSA Patients NOT Implanted With remedē® System
hospitalizations0
all cause mortality0
Other pre-specifiedCollect Clinical Characteristics and Symptoms of Patients With Central Sleep Apnea

Characterstics and symptoms of patients screened for sleep disordered breathing were not collected and analyzed.

Time frame:
screening

No measurements were reported for this outcome.

Adverse events

Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
CSA Patients NOT Implanted With remedē® System—0/14 (0%)0/14 (0%)
CSA Patients With remedē System—6/17 (35.3%)4/17 (23.5%)
Most frequent serious events
Most frequent serious events
EventCSA Patients NOT Implanted With remedē® SystemCSA Patients With remedē System
Other cardiac disordersCardiac disorders0/143/17
Lead DislocationProduct Issues0/143/17
Acute Reneal FailureRenal and urinary disorders0/141/17
Cardiac DecompensationCardiac disorders0/141/17
Cardiac/cardiorespiratory arrestCardiac disorders0/141/17
Most frequent other events
Most frequent other events
EventCSA Patients NOT Implanted With remedē® SystemCSA Patients With remedē System
Diaphragm stimulation discomfortGeneral disorders0/141/17
Cardiac decompensationCardiac disorders0/141/17
beginning liver insufficiencyGastrointestinal disorders0/141/17
Lead DislocationProduct Issues0/141/17
atrial arrhythmiaCardiac disorders0/141/17

Baseline characteristics

Age, Continuous
Age, Continuous(years)CSA Patients NOT Implanted With remedē® SystemCSA Patients With remedē SystemTotal
Mean72.0 ± 6.869.2 ± 11.570.5 ± 9.7
Sex: Female, Male
Sex: Female, Male(Participants)CSA Patients NOT Implanted With remedē® SystemCSA Patients With remedē SystemTotal
Female022
Male141529
Region of Enrollment
Region of Enrollment(participants)CSA Patients NOT Implanted With remedē® SystemCSA Patients With remedē SystemTotal
Germany121628
Spain213
08

Study locations

10 sites
  • Herz- und Diabeteszentrum Bad Oeynhausen
    Bad Oeynhausen, Germany
  • Klinikum Bielefeld Mitte
    Bielefeld, Germany
  • Alice Hospital
    Darmstadt, Germany
  • Albertinen Krankenhaus
    Hamburg, Germany
  • Universitaetsklinikum Schleswig Holstein
    Kiel, Germany
  • Klinikum Lünen - St Marien Hospital
    Lünen, Germany
  • St. Vincenz-Krankenhaus
    Paderborn, Germany
  • Hospital Infanta Cristina
    Badajoz, Spain
  • Hospital Universitario de Burgos
    Burgos, Spain
  • Hospital de Monteprincipe
    Madrid, Spain
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 6, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02577445
Lead sponsor
LivaNova
Collaborators
Respicardia, Inc.
Responsible party
Sponsor
First posted
Oct 16, 2015
Start date
Feb 2016
Primary completion
Oct 2016
Completion
Oct 2016
Results posted
Apr 6, 2017
Last update
Apr 6, 2017

Study contacts

Christoph Stellbrink
principal investigator · Bielefeld-Klinikum
Stefan Anker
principal investigator · Herzzentrum Göttingen

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

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This study is terminated, as verified in Apr 2017. You cannot join it, but the record below documents what was studied.

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